<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>进度条</title>
</head>


<style type="text/css">
    .container{
        width:450px;
        border:1px solid #6C9C2C;
        height:25px;
    }
    #bar{
        background:chartreuse;
        float:left;
        height:100%;
        text-align:center;
        line-height:150%;
    }
</style>
<script type="text/javascript">
    function run(){
        var bar = document.getElementById("bar");
        var total = document.getElementById("total");
        bar.style.width=parseInt(bar.style.width) + 1 + "%";
        total.innerHTML = bar.style.width;
        if(bar.style.width == "100%"){
            window.clearTimeout(timeout);
            return;
        }
        var timeout=window.setTimeout("run()",100);
    }
</script>
<body>
<div class="container">
    <div id="bar" style="width:0%;"></div>
</div>
<span id="total"></span>
<input type="button" value="点我" onclick="run()">
</body>
</html>
